9. Use the Logical COM Port names to access the serial ports on your DSC-200/300 through
your software applications. Note: The Logical COM Port name is assigned to your ports
by Windows. This name is required by Windows applications when accessing a particular
port.
5.6.1 Changing Resource Settings with Device Manager
1. Start the Windows 95/98/ME
Device Manager
.
2. Double click on the hardware class
Multi-Port Serial Adapters
to list hardware
devices in the class.
3. The DSC-200/300 “parent device” belongs to this hardware class. The full device
name for the DSC-200/300 is
Quatech DSC-200/300: Two-Port RS-422/485 Serial
Adapter.
4. Open the
Properties
dialog for the DSC-200/300 device, then click the
Resources
tab
to view the Input/Output Range and Interrupt Request resource allocations.
5. Open the
Properties
dialog for the DSC-200/300 device, then click the
Advanced
tab
to view the clock rate settings.
Quatech DSC-200/300 User's Manual
25